Solution
prove
Solution
Solution steps
Manipulating right side
Rewrite using trig identities
Use the Double Angle identity:
Simplify
Group like terms
Divide the numbers:
We showed that the two sides could take the same form
Popular Examples
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Frequently Asked Questions (FAQ)
Is cos^2(x)=(1+cos(2x))/2 ?
The answer to whether cos^2(x)=(1+cos(2x))/2 is True